What is QcShm.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the QcShm.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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QcShm.exe file information

The process known as McAfee QuickClean EXE belongs to software McAfee Total Protection or Verizon Internet Security Suite by McAfee (

Description: QcShm.exe is not essential for the Windows OS and causes relatively few problems. The file QcShm.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 1,820,264 bytes (50% of all occurrences), 1,898,640 bytes or 1,002,016 bytes. 
The program has no visible window. It is certified by a trustworthy company. The QcShm.exe file is not a Windows core file. QcShm.exe is able to monitor applications and manipulate other programs. Therefore the technical security rating is 15% dangerous.

Uninstalling this variant: In the event of any problems with QcShm.exe, you may want to do the following:
  1) uninstall the associated program (Start > Control Panel > Uninstall a Program > McAfee Total Protection or McAfee SecurityCenter)
  2) visit the website.

Recommended: Identify QcShm.exe related errors

Important: Some malware camouflages itself as QcShm.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the QcShm.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving QcShm issues

A clean and tidy computer is the key requirement for avoiding problems with QcShm. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the QcShm.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

QcShm.exe [all]